<template>
  <el-dialog
    :title="title"
    :visible.sync="dialogFormVisible"
    :modal="false"
    :destroy-on-close="true"
    top="7vh"
    width="850px"
    @close="close"
    center
  >
    <div class="icon-container">
      <el-row :gutter="20">
        <el-col :span="24">
          <el-divider content-position="left">点击图标即可复制</el-divider>
        </el-col>
        <el-col :span="24">
          <el-form :inline="true" label-width="80px" @submit.native.prevent>
            <el-form-item label="图标名称">
              <el-input v-model="queryForm.title"></el-input>
            </el-form-item>
            <el-form-item label-width="0">
              <el-button native-type="submit" type="primary" @click="queryData">
                搜索
              </el-button>
            </el-form-item>
          </el-form>
        </el-col>

        <el-col
          v-for="(item, index) in queryIcon"
          :key="index"
          :xs="6"
          :sm="8"
          :md="3"
          :lg="2"
          :xl="2"
        >
          <el-card
            shadow="hover"
            style="cursor: pointer"
            @click.native="handleCopyIcon(index, $event)"
          >
            <vab-icon :icon="['fas', item]" />
          </el-card>
          <div class="icon-text">{{ item }}</div>
        </el-col>
        <el-col :span="24">
          <el-pagination
            :background="background"
            :current-page="queryForm.pageNo"
            :page-size="queryForm.pageSize"
            :page-sizes="[72, 144, 216, 288]"
            :layout="layout"
            :total="total"
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
          ></el-pagination>
        </el-col>
      </el-row>
    </div>
    <div slot="footer" class="dialog-footer">
      <el-button @click="close">取 消</el-button>
      <el-button type="primary" @click="save">确 定</el-button>
    </div>
  </el-dialog>
</template>

<script>
import clip from "@/utils/clipboard";
import { getIconList } from "@/router/mock/icon";

export default {
  name: "AwesomeIcon",
  data() {
    return {
      copyText: "",
      layout: "total, sizes, prev, pager, next, jumper",
      total: 0,
      background: true,
      height: 0,
      selectRows: "",
      elementLoadingText: "正在加载...",
      queryIcon: [],
      queryForm: {
        pageNo: 1,
        pageSize: 48,
        title: "",
      },
      title: "图标选择",
      dialogFormVisible: false,
    };
  },
  created() {},
  methods: {
    showIcon() {
      this.fetchData();
      this.dialogFormVisible = true;
    },
    close() {
      this.copyText = "";
      this.queryIcon = [];
      this.queryForm = {
        pageNo: 1,
        pageSize: 48,
        title: "",
      }
      this.dialogFormVisible = false;
    },
    save() {
      this.$emit('icon', this.copyText);
      this.close();
    },
    handleSizeChange(val) {
      this.queryForm.pageSize = val;
      this.fetchData();
    },
    handleCurrentChange(val) {
      this.queryForm.pageNo = val;
      this.fetchData();
    },
    queryData() {
      this.queryForm.pageNo = 1;
      this.fetchData();
    },
    async fetchData() {
      const { data, totalCount } = getIconList(this.queryForm);
      this.queryIcon = data;
      this.allIcon = data;
      this.total = totalCount;
    },
    hasClass(element, cls) {
      return (' ' + element.className + ' ').indexOf(' ' + cls + ' ') > -1;
    },
    handleCopyIcon(index, event) {
      if(!this.hasClass(event.target, "el-card__body")){
        return;
      }
      let elCard = document.querySelectorAll(".el-card__body");
      for (let i = 0; i < elCard.length; i++) {
        elCard[i].parentNode.classList.remove("active")
      }
      event.target.parentNode.classList.add("active");
      this.copyText = this.queryIcon[index];
      // 暂时不需要复制
      //clip(copyText, event);
    },
  },
};
</script>

<style lang="scss" scoped>
.icon-container {
  ::v-deep {
    .el-card__body {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center; /* 垂直居中 */
      justify-content: center; /* 水平居中 */

      svg:not(:root).svg-inline--fa {
        font-size: 35px;
        font-weight: bold;
        color: $base-color-gray;
        text-align: center;
        vertical-align: middle;
        pointer-events: none;
        cursor: pointer;
      }
    }
  }

  .icon-text {
    height: 30px;
    margin-top: -15px;
    overflow: hidden;
    font-size: 12px;
    line-height: 30px;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .active{
    border: 1px solid #4091F7 !important;
  }
}
</style>
